Set boundaries for a tool-using assistantDraft role and tool instructions that distinguish the user’s task from instructions found inside retrieved material.agentstool-useprompt-injection
MCP servers: giving AI models actual superpowersThe Model Context Protocol lets you plug tools into Claude like USB devices. Tested a few.16 Feb 2026mcpclaudetool-useprotocol
Building an agent loop with Claude and tool useWired up Claude with tool calling to build a basic autonomous agent. Simpler than expected.7 Feb 2026claudeagentstool-useanthropic-api